ICD-10-CM › D50-D89 › D50-D53 › D51 Vitamin B12 deficiency anemia › D51.2
Transcobalamin II deficiency
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Transcobalamin II deficiency
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from D51 Vitamin B12 deficiency anemia
Excludes2 - not included here
- deficiency of other B group vitamins (E53-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Deficit
- Avitaminosis
- Hypovitaminosis
- Vitamin deficiency
- Leukoencephalopathy
- Deprivation > vitamins
- Deficiency, deficient > factor
- Defect, defective > coagulation
- Deficiency, deficient > clotting
- Disturbance > absorption > vitamin
- Encephalopathy > in > lack of vitamin
- Deficiency, deficient > clotting factor NEC
- Deficiency, deficient > coagulation NOS > clotting factor NEC
- Anemia > deficiency > transcobalamin II
- Deficiency, deficient > transcobalamine II
- Anemia > due to > transcobalamin II deficiency
Codes in the same group
| Code | Description | Status |
|---|---|---|
| D51.0 | Vitamin B12 deficiency anemia due to intrinsic factor deficiency | Valid |
| D51.1 | Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria | Valid |
| D51.3 | Other dietary vitamin B12 deficiency anemia | Valid |
| D51.8 | Other vitamin B12 deficiency anemias | Valid |
| D51.9 | Vitamin B12 deficiency anemia, unspecified | Valid |